Mushroom light



July 7, 1925.

C. L. PAINE MUSHROOM LIGHT Filed July 12. 1924 To all wkomit mayconcern:

mote fixed source entirely independent of ing the field of the PatentedJuly 7, 1 925. v UNITED STATES PATENT OFFICE.

' CHARLES L. PAINE, 0F MILWAUKEE, WISCONSIN.

MUSHROOM LIGHT.

Application filed July 12, 1924. Serial No. 725,664.

represents a skeleton dome having openings Be it known that I, CHARLESL. PAINE, fitted with transparent signal plates 2 a citizen of theUnited States, and resident therein, which signal plates may be of colofMilwaukee, in the county of Milwaukee ored glass, or they may havecertain indices and State of Wisconsin, have invented cerplaced thereon.As shown the dome is protain new and useful Improvements in Mushvidedwith four signal plates equidistantly room Lights; and I do herebydeclare that apart to deflect rays of light in alinement the followingis a full, clear, and exact dewith the intersecting streets but it underscription thereof. stood that these signal plates may be varied Myinvention refers to traflic indicators,- in number, or the dome may bemade up to and it has for its object to provide a traflic deflect thelight rays from a practically conindicator of the mushroom type havingtinuous surface at angles that will come means for illuminating the samefrom a rewithin the line of vision of parties enterpoint of intersectionof the mushroom. the streets.

.Another object of my invention is to uti- The dome, as shown, is openat its crown lize, under certain conditions, standard overwhereby therays of light from a fixed illuhead street lamps for the purpose ofillumiminating source overhead, will enter and nating the mushroom,whereby suchlamps, saiddome has nested therein a centrally disinaddition to performing their usual func posed deflector 3, whichdeflector is suitably tions at street crossings, will also serve tocentered and supported by a base plate 4 illuminate the traflic signalthereunder. which is secured to the rim of the dome, as

Heretofore, traffic signals of the mushshown. room type in theirinstallation have been varied in form. As for example, it may beprovidedwith one or more electric lamps or concave or convex in theshape of a basin, bulbs for illuminating purposes, and owing orotherwise. Said reflector may also, withto this fact an expensiveinstallation is nec out departing from the spirit of my invenessary, dueto excavation and the provision tion, be formed ofa plurality ofseparate of means for renewing such lamps. units corresponding in numberto the signal My invention therefore contemplates plates. v. eliminatingall of this expensive installation The circle, or crowned dome, asshown, is work whereby the cost of the apparatus and anchored by theends of the retaining bolts its maintenance thereafter is reduced ap- 5,but obviously any means can be provided proximately seventy-fivepercent, or more. for this purpose, and it is apparent that the Asidefrom the economic value mentioned dome can readily be dropped intoposition above, the advancein the art of mushroom under the lamp 6, orsource of fixed light, traffic si als made by me eliminates the withoutany previous excavation or work serious o lig' ections to such devices,which is upon the surface of the street. Obviously that under traflicconditions the mushrooms .this advantage is material to the fact thatare frequently struck by passing vehicles installation of the device canbe quickly per and the vibration will break or damage the formed withoutany extra work and by those lighting units to such an extent as torender unskilled in the art of anchoring or aflixing the signal dark andinoperative. vsuch devices. a

It is also understood that my invention From the foregoin description itwill be may be applied to any type of mushroom. readily understood t atthe ordinary arc- With the above objects in view, the invenlight, whichis usuallypositioned at the intion consists in the method and mechanism,tersecting streets, is utilized to illuminate as hereinafter set forthwith reference to the the crossing signal indicator, and that theaccompanying drawings and subsequently rays of light, by a deflectorwithin the mush claimed. room, are directed through the signal plates Inthe drawings: in four directions for safety purposes,

Figure 1 represents a diagrammatic secwhereby the dome is practicallyand clearly tional elevation of a mushroom traflic signal illuminatedwithout extra cost in lamp embodying the features of my invention, andpower or apparatus. In some instances the Fi re 2 is a plan view "of thesame. arclights or lamps. are positioned at the Re gning by charactersto the drawing, 1 street corners, in which case each lamp will Obviouslythe deflector 3 may be G fixed and so arranged relative to the dome thatthe light rays will be unobstructed.

ll claim 1. A mushroom trafiic indicator arranged to receive and reflectrays of light from a W remote fixed illuminatmg source, the samecomprising a skeleton dome having transparent signal plates therein anda centrally disposed reflector adapted to deflect the rays of lightthrough said signal plates.

2. A mushroom trafic indicator arranged to receive and reflect rays oflight from a remote fixed illuminating source, the same comprising anopaque skeleton dome having transparent signal openings therein and acentrally disposed reflector adapted to defleet the rays of lightthrough said signal openings. v

In testimony that I claim the foregoing I have hereunto set my hand atMilwaukee, in the county of Milwaukee and State of Wisconsin. c c.

CHARLES L. PAINE.

